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// { dg-do run { target c++11 } }
// Copyright (C) 2014-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 27.8.5.2 Assign and swap [stringstream.assign]
#include <sstream>
#include <string>
#include <testsuite_hooks.h>
void
test01()
{
std::stringstream s1;
s1 << "absence of a signal";
std::string s;
s1 >> s;
std::stringstream s2;
s2 = std::move(s1);
s2 >> s;
VERIFY(s == "of");
std::stringstream s3;
s3.swap(s2);
s3 >> s;
VERIFY(s == "a");
swap(s1, s3);
s1 >> s;
VERIFY(s == "signal");
s2 << "should never be used as a signal";
s1 = std::move(s2);
getline(s1, s);
VERIFY(s == "should never be used as a signal");
s3 = std::move(s1);
VERIFY(s3.eof());
}
void test02()
{
std::stringstream s0;
s0 << " 1234.5 ";
std::stringstream s;
s = std::move(s0);
char c{};
s >> c;
VERIFY( c == '1' );
int i{};
s >> i;
VERIFY( i == 234 );
double d{};
s >> d;
VERIFY( d == .5 );
}
void test03()
{
#ifdef _GLIBCXX_USE_WCHAR_T
std::wstringstream s0;
s0 << L" 1234.5 ";
std::wstringstream s;
s = std::move(s0);
s.swap(s0);
swap(s, s0);
wchar_t c{};
s >> c;
VERIFY( c == L'1' );
int i{};
s >> i;
VERIFY( i == 234 );
double d{};
s >> d;
VERIFY( d == .5 );
#endif
}
int
main()
{
test01();
test02();
test03();
}
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